* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  font-family: "Microsoft YaHei";
}
header {
  line-height: 1.5;
  max-height: 100vh;
}
ul,
li {
  padding: 0;
  margin: 0;
  list-style: none;
}
a {
  color: #000000;
  text-decoration-line: none;
}
.set-flex,
.set-flex-all,
.set-flex-all * {
  display: flex;
  flex-flow: row wrap;
}
.set-center{
	text-align: center;
	justify-content: center;
}
.full-width {
  width: 100%;
}
.half-width {
  width: 50%;
}

